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单词
pervalvar axis
释义
pervalvar axis
网络
贯壳轴;贯壳轴或壳环轴
网络释义
1.
贯壳轴
贯壳轴
(
Pervalvar axis
):是上、下壳面中心点的相连线,又称壳环轴。 繁殖方式 硅藻细胞经多次分裂后,个体逐渐缩小,到一 …
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2.
贯壳轴或壳环轴
...sapical axis),上下壳中点的相连线,为
贯壳轴或壳环轴
(
pervalvar axis
) (图2)。
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更新时间:2025/10/24 0:06:11